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Polymers for Dental, Oral, and Craniofacial Applications

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (28 November 2025) | Viewed by 785

Special Issue Editor


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Guest Editor
School of Dentistry, University of Missouri-Kansas City, Kansas City, MO 64108, USA
Interests: dental biomaterials; calcified tissue; applying new technologies in dentistry; aging and durability of polymers and biomaterials; vibrational spectroscopic characterization and spectroscopically resolved chemical imaging analysis
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Special Issue Information

Dear Colleagues,

Polymers have become indispensable in modern dentistry, due to their exceptional mechanical strength, thermal stability, and biocompatibility. Their multifunctionality and adaptability have enabled a broad spectrum of applications, including the development of innovative materials for dental restorations, implants, digital and regenerative dentistry, and targeted drug delivery systems. This Special Issue will present cutting-edge research on the design, synthesis, characterization, and clinical applications of polymers in dental, oral, and craniofacial sciences. Researchers, scientists, and clinicians are encouraged to contribute to this Special Issue with original research papers, clinical trials or reports, reviews, and meta-analyses. Our main objective is to enhance our understanding of relevant topics, ultimately contributing to advancing essential aspects of modern dentistry.

Prof. Dr. Yong Wang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • polymers
  • dentistry
  • digital dentistry
  • drug delivery
  • composite
  • dental resin

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Published Papers (1 paper)

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Research

17 pages, 2503 KB  
Article
Effect of Resin Type, Layer Thickness, and Printing Orientation on the Mechanical and Surface Properties of 3D-Printed Occlusal Splints
by Beyza Tandogan, Faruk Emir and Gulsum Ceylan
Polymers 2026, 18(2), 290; https://doi.org/10.3390/polym18020290 - 21 Jan 2026
Viewed by 443
Abstract
This in vitro study aimed to evaluate the effects of resin type, layer thickness, and printing orientation on the surface and mechanical properties of 3D-printed occlusal splints fabricated using digital light processing (DLP) technology. Three commercially available splint resins (KeySplint Hard, Freeprint Splint [...] Read more.
This in vitro study aimed to evaluate the effects of resin type, layer thickness, and printing orientation on the surface and mechanical properties of 3D-printed occlusal splints fabricated using digital light processing (DLP) technology. Three commercially available splint resins (KeySplint Hard, Freeprint Splint 2.0, and V-Print Splint) were used to fabricate 180 rectangular specimens with two-layer thicknesses (50 µm and 100 µm) and three printing orientations (0°, 45°, 90°). Surface roughness (Ra, Rz), gloss, microhardness, flexural strength, and elastic modulus were measured. Statistical analysis was performed using robust ANOVA with Bonferroni correction. Resin type and printing orientation significantly influenced all surface and mechanical properties (p < 0.001), while layer thickness had a limited effect. Keystone resin exhibited the smoothest surface and highest gloss, whereas Freeprint resin showed the highest microhardness and elastic modulus. Printing at 45° generally enhanced flexural strength and provided more balanced mechanical performance. SEM analysis confirmed that surface morphology varied with orientation, correlating with profilometric and gloss measurements. Resin composition and printing orientation are critical determinants of the mechanical and surface performance of 3D-printed occlusal splints. Optimizing these parameters can improve durability, esthetics, and clinical functionality. All tested materials achieved clinically acceptable surface smoothness, supporting their suitability for intraoral use. Full article
(This article belongs to the Special Issue Polymers for Dental, Oral, and Craniofacial Applications)
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